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30000037071 = 317588236021
BaseRepresentation
bin11011111100001001…
…000011110011001111
32212102202100210020010
4123330021003303033
5442420002141241
621440512524303
72111300051634
oct337411036317
985382323203
1030000037071
11117a5269974
125992b50693
132aa13a8c34
14164845818b
15ba8b34d16
hex6fc243ccf

30000037071 has 8 divisors (see below), whose sum is σ = 42352993584. Its totient is φ = 18823552640.

The previous prime is 30000037057. The next prime is 30000037103. The reversal of 30000037071 is 17073000003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30000037071 - 27 = 30000036943 is a prime.

It is a super-2 number, since 2×300000370712 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000037031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294117960 + ... + 294118061.

It is an arithmetic number, because the mean of its divisors is an integer number (5294124198).

Almost surely, 230000037071 is an apocalyptic number.

30000037071 is a deficient number, since it is larger than the sum of its proper divisors (12352956513).

30000037071 is a wasteful number, since it uses less digits than its factorization.

30000037071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588236041.

The product of its (nonzero) digits is 441, while the sum is 21.

Adding to 30000037071 its reverse (17073000003), we get a palindrome (47073037074).

The spelling of 30000037071 in words is "thirty billion, thirty-seven thousand, seventy-one".

Divisors: 1 3 17 51 588236021 1764708063 10000012357 30000037071